 Directly hanging below the dome (In more traditional churches) is usually a kind of circular chandelier with depictions of the saints and apostles, called the "horos", which is the same as the polyeleos mentioned above.The Nave of an Orthodox Church can vary in shape/size & layout according to the various traditions within the Church.The two most common layouts inside Orthodox Churches since Justinian have been a cruciform layout, an open square/rectangular layout, or a more linear layout with side-aisles.